Home / 8,255.28-12,377.16-3,059.76

Finding the Fourth Proportional to 8,255.28, 12,377.16 and 3,059.76

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Solution

The fourth proportional to 8,255.28, 12,377.16 and 3,059.76 is: 4,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.28 : 12,377.16 = 3,059.76 : x
  2. Step 2: Convert to fraction form
    8,255.28/12,377.16 = 3,059.76/x
  3. Step 3: Cross multiply
    8,255.28x = 12,377.16 × 3,059.76
  4. Step 4: Simplify right side
    8,255.28x = 37,871,139.08
  5. Step 5: Solve for x
    x = 37,871,139.08/8,255.28
  6. Step 6: Final answer
    x = 4,587.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.